1. Stem Cell and Tissue Engineering
Lab, Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
2. Polymer and Biomaterial Lab,
Department of Biomedical Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
3. Department of Material Science
and Engineering Michigan Technological University Houghton, Michigan
49931, United States